5. the sequence of events in the action potential in a contractile fiber of the heart. (Include the events in the ion channels involved.) (1a) norepinephrine from the Sympathetic Division of the ANS stimulates a given conducting myofiber or contractile cardiac muscle cell to depolarize; or,
Actress | Producer. Patridge was born in Los Angeles, California, to Lynn (Clelland) and Mark Patridge, and is the eldest of four children. She has English, German, Belgian (Walloon and Flemish), Italian, and Polish ancestry.
Audrina Patridge Frederick M. Brown/Getty Images. The Hills alum is taking over hosting duties from former Bachelorette star Ali Fedotowsky beginning in January. Audrina Patridge is ready to rack up some frequent-flyer miles. The Hills alum has signed on as host of the NBC travel series 1st Look.